...introduction of new species. Annals and Magazine of Natural History 2d ser. 16 (1855): 184-96. The law: 'Every species has come into existence coincident...space with a pre-existing closely allied species.' 1858 CD had sent Hooker his manuscript on variation in large and small genera. It is printed, with...

...occur. From the facts of geographical distribution Wallace concludes his paper with the famous statement that "Every species has come into existence coincident...space with a pre-existing closely allied species." And he asks: "In the face of these facts the question forces itself upon every thinking mind — why...

...space and time, and molded them into a superb theory of evolution. First, he claimed that there was a law that "every species has come into existence coincident...and space with a preexisting closely allied species" (Wallace, 1855, quoted from Brooks, 1984. p. 172). Further, he felt that this ..,connects together...

...subgroups) Dollo's law (reversion to an ancestral peculiarity virtually never happens) Wallace's law (every species has come into existence coincident...and space with a preexisting closely allied species) Genetics Mendel's laws the Hardy-Weinberg law (if there are exactly two alleles (A and S) at a given...

...Species." Using a series of arguments based on geographical and geological evidence, Wallace concluded: "Every species has come into existence coincident...time and space with a pre-existing closely allied species."18 The paper appeared in The Annals and Magazine of Natural History in September 1855, and...

...structural affinity to one another over succeeding epochs of time, led him to publish a paper that argued that "every species has come into existence coincident...and space with a preexisting closely allied species" (Natural Selection and Tropical Nature). The paper proposed an approach to the species question, though...

...theory, not its development" (Marchant [1916] 1975, 54), Wallace dealt only with certain applications of the law that "every species has come into existence coincident both in space and time with a pre-existing closely allied species." The observed affinities among animals (and...

...introduction of new species. Annals and Magazine of Natural History 2d ser. 16(1855): 184-96. The law: 'Every species has come into existence coincident...space with a preexisting closely allied species.' 1858 1 CD had sent Hooker his manuscript on variation in large and small genera. It is printed, with...

...•where of the occurrence of new forms, but not the how. "It has now been shown," he concludes, " though most briefly and imperfectly, how the law that...number of independent and hitherto unexplained facts. ' ' In February, 1858, during a period of intermittent fever at Ternate, the how arose in his mind...

...has now been shown," he concludes, " though most briefly and imperfectly, how the NO. 2224, VOL. 89] law that 'Every species has come into existence coincident...together and renders intelligible a vast number of indej pendent and hitherto unexplained facts." I ! In February, 1858, during a period of intermittent...